Kaito stiffened. "That wasn't part of the deal, old man."

Finally, the bookshelf groaned open again.

"It’s not," Kaito said, checking his watch. "It’s a Sukebinya ."

"What things?"

Twenty minutes passed. Then thirty. Kaito drank a cup of cold tea the Proprietor slid toward him. The shop was silent except for the rain outside.

He reached under the counter and pressed a button. A section of the bookshelf behind them groaned and swung inward, revealing a dark, narrow hallway lit by red emergency lights. The air rushing out was freezing cold.